title: An overview of dementias.
authors.affiliation: Cognition & Behavioural Neurology Section (CBNS), Department of Neurology, Sree Chitra Tirunal Institute for Medical Sciences & Technology (SCTIMST), Trivandrum - 695 011, Thiruvananthapuram, Kerala, India. E-mail: mathu@sctimst.ac.in.
authors.forename: P S
authors.initials: PS
authors.lastname: Mathuranath